validateFileType.php

<?php
	
    /**
     * @author : rofi
     * @desc  file type validation function
     * @param allowed array contains all allowed extensions list .validateFileType
     *          file name is the file name.validateFileType
     * <example:>
     * $allowed = array('jpg', 'png', 'jpeg');
     * $filename = $_FILES['file']['name'];
     * validateFileType($allowed, $filename);  
     * </example:>
     */
    
    function validateFileType($allowed, $filename){
        //take the extension of the file
        $ext = pathinfo($filename, PATHINFO_EXTENSION);
        //return the result
        
        if (in_array($ext, $allowed)) {
    
    $result = [
        "status" => "true",
        "msg" => "file validated",
    ];
} else {
    $result = [
        "status" => "false",
        "msg" => "file not valid",
    ];
    
    
}

//return the message array
return $result;

    }